Tractor
Mounted Drilling Rigs - KLR TBW 40, DTH Drill Rig
Technical Specifications
Description
KLR TBW 40, DTH is a
Tractor Mounted Top drive all hydraulically operated
Drilling Rig extracting main power from Tractor Engine,
is capable of drilling using DTH method to a Depth of
150 Mt.
Drilling
Capacity
|
DTH Drilling
|
Units |
| |
Metric
|
FPS |
|
Bore
Diameter |
114 mm
|
4.5 Inch
|
|
Max Drilling
Depth |
150 mtrs
|
500 feet
|
|
Max.
Overburden Drilling Diameter
|
152 mm
|
6 inch
|
|
Max.
Drilling depth |
45 mtr
|
150 feet
|
|
Note: Under favorable Drilling
conditions.
Mast Structures
Sturdy structural channel
type mast of electrically welded construction, main
members made out of heavy duty structural steel channels
reinforced with suitable cross members, so that it will
be strong enough to withstand the varying drilling
loads.
|
Mast length
|
5720 mm
|
|
Rotary Head
Travel |
4572 mm
|
|
Centraliser
Opening |
203.0 mm (8
Inches) |
|
Raising and
Lowering |
With
hydraulic cylinder |
|
Top Head
Rotary Drive
Heavy duty hydraulically
driven top head rotation unit will be provided. This
unit travels on the mast and is of sturdy construction
to absorb sudden shock loads.
|
Max. Speed
|
100 rpm
|
|
Maximum
Torque |
235 kg f-m
|
|
Drive Type
|
Orbital
Motor |
|
No. of
motors |
One number
|
|
Feed
System
Feed system is provided
with adequate travel for handling drill pipes upto 3.0
Mt. Long. The feed and hoist are actuated by a suitable
hydraulic cylinder with wire rope and pulley
arrangement. The feed system has the following
capabilities.
|
Pull up
force |
4500 Kgf
|
|
Pull down
force |
2400 Kgf
|
|
Pull up
speed |
40 m/min
|
|
Pull down
speed |
65 m/min
|
|
Reeving
ratio(wire rope) |
1:3
|
|
The feed system
will be incorporated with Hold back arrangement to
control and limit weight on bit, rapid and slow feed
arrangement to suit the variable ground conditions.
Hydraulic System
|
Max.
Operating pressure |
160 kg/cm2
|
|
Hydraulic
Tank capacity |
300 Lts.
|
|
Filtration
(Nom.) Return line |
10 microns
|
|
Hydraulic
Oil Cooler |
40 GPM (Fin
type Oil to Air) |
|
Prime Mover
Power required for the rig
hydraulics shall be drawn from the tractor engine
through the out put shaft (PTO).
Stabilizers
(Jacks)
System consists of three
hydraulic leveling jacks with Reverse flow restricted
valves to ensure safe operation. Two numbers are at the
front (Operator) of the rig controlled by two separate
valves and one jack in the rear side of the rig
controlled by a single valve.
|
Type
|
hydraulic
cylinder |
|
No. of Jacks
|
3 Nos.
|
|
Breakout Wrench
The Drill Rig is equipped
with Hydraulically operated breakout wrench for breaking
drill pipes.
|
Cylinder
bore diameter |
80 mm
|
3.1 Inch
|
|
Stroke
|
300 mm
|
12 Inch
|
|
Water Injection Pump
The drill rig will
be provided with Hydraulically operated triplex plunger
pump, for injecting water/foam with necessary piping and
flow control valve.
|
Max. Flow
|
36 lpm
|
|
Max.
Pressure |
40 kg/cm2
|
|
Air
Compressor
Air compressor of
suitable capacity as mentioned can be used for carrying
out the DTH drilling activity.
|
Air
compressor |
650 cfm /
200 psi |
|
Make
|
Reputed make
|
|
Note: The compressor
shall be mounted on separate two wheel single dummy axle
with mechanical stabilizers, suitable toeing
arrangement.
Air Line
Lubricator
Air Line Lubricator of
capacity mentioned below shall be mounted for the supply
of lubricating Oil to the hammer.
|
Capacity
|
900 cfm /
200 psi |
|
Make
|
Reputed make
|
|
 |
KLR Drilling
Rigs can be supplied in custom-built
models in various Configurations as
indicated below, Mounting features to
suit all special requirements and
Technical specifications can be offered
accordingly. |
|
|
KLR TBW 40 DTHR
capable of drilling up to 150 Meters
both in DTH and Rotary drilling, core
drilling (Combination Rig)
|
|
|
